<p>用途:</p>
<pre><code>mylist = [['Local Interface', '', 'Parent Interface', '', 'Chassis Id', '', '', '', '', 'Port info', '', '', '', '', 'System Name'], ['ge-0/0/1', '', '', '', '', ' -', '', '', '', '', '', '', '', '', ' 00:2d:b3:c9:e2:f0', ' 606', '', '', '', '', '', '', '', 'myhost-re01', '', '', '', ''], ['ge- 4/0/7', '', '', '', '', ' -', '', '', '', '', '', '', '', '', ' 00:2d:b3:c9:e2:f0', ' 628', '', '', '', '', '', '', '', 'myhost-re01', '', '', '', ''], ['ge-4/0/6', '', '', '', '', ' -', '', '', '', '', '', '', '', '', ' 00:2d:b3:c9:e2:f0', ' 629', '', '', '', '', '', '', '', 'myhost-re01', '', '', '', ''], ['ge-0/0/4', '', '', '', '', ' -', '', '', '', '', '', '', '', '', ' 00:2d:b3:c9:e2:f0', ' 138739712', '', '', '', '', 'PE12XC1010', '', '', '', ''], ['ge-0/0/2', '', '', '', '', ' -', '', '', '', '', '', '', '', '', ' 00:2d:b3:c9:e2:f0', ' gei_1/5', '', '', '', '', '', 'PE13XC1011', '', '', '', '', ''], ['ge-3/3/0', '', '', '', '', ' -', '', '', '', '', '', '', '', '', ' 0c:12:12:c7:c1:f7', ' gei_2/3', '', '', '', '', '', 'PEUTV01-01XT', '', '', ''], ['ge-3/3/4', '', '', '', '', ' - ', '', '', '', '', '', '', '', '', ' f0:1c:2d:22:37:c0', ' 783', '', '', '', '', '', '', '', 'myhost-re01', ''], ['{master}']]
mylist = list(map(lambda x: list(filter(None,x)), mylist))
print(mylist)
</code></pre>
<p><strong>输出:</strong></p>
<pre><code>[['Local Interface', 'Parent Interface', 'Chassis Id', 'Port info', 'System Name'], ['ge-0/0/1', ' -', ' 00:2d:b3:c9:e2:f0', ' 606', 'myhost-re01'], ['ge- 4/0/7', ' -', ' 00:2d:b3:c9:e2:f0', ' 628', 'myhost-re01'], ['ge-4/0/6', ' -', ' 00:2d:b3:c9:e2:f0', ' 629', 'myhost-re01'], ['ge-0/0/4', ' -', ' 00:2d:b3:c9:e2:f0', ' 138739712', 'PE12XC1010'], ['ge-0/0/2', ' -', ' 00:2d:b3:c9:e2:f0', ' gei_1/5', 'PE13XC1011'], ['ge-3/3/0', ' -', ' 0c:12:12:c7:c1:f7', ' gei_2/3', 'PEUTV01-01XT'], ['ge-3/3/4', ' - ', ' f0:1c:2d:22:37:c0', ' 783', 'myhost-re01'], ['{master}']]
</code></pre>